Ant Village: Birch is known as a living fossil in woody plants, originating from the woody plant. A, Ming and Qing Dynasties B, Early Cretaceous.
Birch is known as a living fossil in woody plants, originating from the woody plant. Ant Village Answer.
Birch is known as a living fossil in woody plants, originating from the woody plant. This is the title of Ant Village, about birch wood is known as a living fossil in woody plants, originated from ? There are two options in the options: The Ming and Qing dynasties and the early Cretaceous period. Students who are still unclear about the correct answer, as well as, ant manor's other two questions: there are loan institutions that claim that you do not have enough credit limit, so that you pay cash to prove your ability to repay. Ancient China also had "Football Associations" and "Leagues", guess which dynasty they appeared in? The answer is parsed, let's take a look at it together.
Ant Village Title: Birch is known as a living fossil in woody plants
Birch is known as a living fossil in woody plants, originating from the woody plant.
Ming and Qing dynasties
Early Cretaceous
Ant Village Birch is known as a living fossil in woody plants
Birch generally refers to the general name of about 100 trees and shrubs in the birch genus. The edges of the single leaf are jagged or shallowly lobed, and the fruit is a small winged fruit. The bark of birch is smooth, resinous, white or variegated, with transverse skin holes, usually flaked and flakes, and the bark of the old trunk is thick and deeply grooved, cracked into irregular fragments.
The young trees have short, slender branches that lift up and have a narrow tower-shaped canopy. The wood of birch wood is light brown to reddish brown and used as flooring, furniture, pulp, interior decoration materials, vehicle and ship equipment, plywood, etc. Hardy, fast-growing, immune to pests and diseases, used for reforestation, soil erosion control, protective mulching or tree conservation. Moist, fertile sand or loam soils are often required, sown and grafted for reproduction. It is found in the colder regions of the Northern Hemisphere.
Maple is divided into soft maple and hard maple, which is temperate wood, produced in the south of the Yangtze River Basin to Taiwan, and abroad in the eastern United States. The wood is gray-brown to gray-red, the annual rings are not obvious, the tube holes are many and small, and the distribution is even. The maple grain is staggered, the structure is thin and uniform, the quality is light and hard, and the pattern is excellent.
Easy to process, the cut surface is not smooth, and it is easy to warp when drying. The paint has good coating performance and strong gluing. It is mainly used for sheet metal thin surfaces.
The wood of birch is light brown to reddish brown, with a shiny surface and a smooth mechanism. Yellow and white slightly brown, the annual ring is obvious, the wooden body is pure and fine, slightly heavy and hard, the structure is fine, the mechanical strength is large, the elasticity is elastic, the moisture absorption is large, and the drying is easy to crack and warp. It is not very durable in environments prone to decay, and is more used in the form of splints.
Birch wood is commonly used in special plywood, flooring, furniture, pulp, interior decoration materials, vehicle and boat equipment, plywood, etc. The furniture is smooth and wear-resistant, and the pattern is clear. Today it is used in the construction of structures, parquet and interior frames. Most of the dragon chairs in the Forbidden City are rosewood frames with birch planks embedded in them.
Wood tar for the production of birch wood is used in the leather and soap industries. The main chemical component of birch, "methyl salicylate", is also the main component of aspirin and has pain-relieving properties. It is used in male perfumes.
The thin, impermeable bark was taken for North American Indians and early settlers to build roofs, make canoes and make shoes. Birch tar is obtained from its bark distillation. Birch beer is made with birch sap. People who live in the forest will light fires with wet red birch and paper bark birch bark. Birch is also a common decorative road tree.
Ant Village Extended Reading: Birch
In practical applications, the leaf juice of birch is an excellent mouthwash for oral wounds. For thousands of years, the sap of birch has been used to concoct medicinal liquor, and its leaves are diuretic when drunk into tea. Because it has an astringent effect, it is also one of the ingredients in lotions and ointments. Birch can also help with rheumatic pain in joints, gout and skin infections.
Because of its dense wood, birch can be used to make wood. Bark can be extracted from quercus gum, birch bark oil, and leaves can be used as dyes, seeds or kerosene. It can be used as plywood, joinery, furniture, veneer, prevention spools, shoe lasts, vehicles, sports equipment, musical instruments, papermaking raw materials, etc. Wood can be used for general construction and production tools, bark can be used to carry birch oil, birch bark is commonly used in the folk to prepare daily utensils.
A birch forest is a forest of birch trees. The branches and leaves are sparse, the posture is beautiful, especially the trunk is straight, white and elegant, which is very eye-catching. Lonely plants, bushes planted in gardens, park lawns, poolsides, lakeshores or columns planted next to the road are quite beautiful. If planted in pieces on mountainous or hilly slopes, it can form a beautiful landscape forest.
Birch sap contains essential and easily absorbed carbohydrates, amino acids, organic acids, and a variety of inorganic salts, containing essential oils, belchol, saponin compounds, cytokinins and so on. Natural birch sap is currently recognized in the world as a nutrient-rich physiological active water, is the source of life of birch trees, rich in a variety of fructose, amino acids, vitamins, biotin, minerals and so on that the human body needs.
Containing more than 20 kinds of amino acids, 24 kinds of inorganic elements, vitamin B1, B2 and vitamin C, polysaccharides and reducing sugars, so the "birch sap" drink has anti-fatigue, anti-aging health care effects, is one of the most promising functional drinks of the 21st century, known as "natural beer" and "forest drink".
Ant Village Answer: Birch is known as a living fossil in woody plants
Answer: Early Cretaceous.
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